ventricle

noun

ven·​tri·​cle ˈven-tri-kəl 

: a cavity of a bodily part or organ: such as

a

: a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries see heart illustration

b

: any of a system of communicating cavities in the brain that are continuous with the central canal of the spinal cord see brain illustration

Examples of ventricle in a Sentence

Recent Examples on the Web

The left ventricular ejection fraction (LVEF) is the volume of blood pumped out of the heart’s lower left chamber or ventricle, to the body. —New Atlas, 24 Nov. 2024

During an AFib episode, the heart's upper chambers, or atria, beat chaotically and out of sync with the lower chambers, known as ventricles, which can lead to shortness of breath and weakness. —Matt Robison, Newsweek, 21 Nov. 2024

The pulmonary valve connects the right ventricle and the pulmonary artery (the lung's main artery), and the aortic valve connects the left ventricle and the aorta. —Colleen Doherty, Verywell Health, 2 Dec. 2024

Blood leaves the heart's main pumping chamber (left ventricle) through the aorta, a large blood vessel that branches into smaller and smaller vessels that reach the entire body. —Christopher Lee, Verywell Health, 30 Oct. 2024

Word History

Etymology

Middle English, borrowed from Latin ventriculus "belly, stomach, cavity in an organ," from ventr-, venter "belly, womb" + -culus, diminutive suffix (variant of -ulus -ule with nouns of the 3rd, 4th and 5th declensions) — more at venter

First Known Use

14th century, in the meaning defined above

Phrases Containing ventricle

• third ventricle

Kids Definition

ventricle

noun

ven·​tri·​cle ˈven-tri-kəl 

1

: a chamber of the heart which receives blood from an atrium and from which blood is forced into the arteries

2

: one of the cavities in the brain that are continuous with the central canal of the spinal cord

Medical Definition

ventricle

noun

ven·​tri·​cle ˈven-tri-kəl 

: a cavity of a bodily part or organ: as

a

: a chamber of the heart which receives blood from a corresponding atrium and from which blood is forced into the arteries

b

: one of the system of communicating cavities in the brain that are continuous with the central canal of the spinal cord, that like it are derived from the medullary canal of the embryo, that are lined with an epithelial ependyma, and that contain a serous fluid see lateral ventricle, third ventricle, fourth ventricle

c

: a fossa or pouch on each side of the larynx between the false vocal cords above and the true vocal cords below